/**
* Copyright (c) 2025 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/

/*!
 * \file ceil_c310_impl.h
 * \brief
 */
#ifndef IMPL_MATH_CEIL_CEIL_C310_IMPL_H
#define IMPL_MATH_CEIL_CEIL_C310_IMPL_H
#include "kernel_tensor.h"

namespace AscendC {
template <typename T, bool isReuseSource = false>
__simd_vf__ inline void CeilCompute(__local_mem__ T* dstUb, __local_mem__ T* srcUb, uint32_t calCount,
    const uint16_t repeatTimes)
{
    constexpr uint32_t repeatElm = GetVecLen() / sizeof(T);
    MicroAPI::RegTensor<T> srcReg;
    MicroAPI::RegTensor<T> dstReg;
    MicroAPI::MaskReg maskReg;
    for (uint16_t i = 0; i < repeatTimes; ++i) {
        maskReg = MicroAPI::UpdateMask<T>(calCount);
        MicroAPI::DataCopy<T>(srcReg, srcUb + i * repeatElm);
        MicroAPI::Truncate<T, RoundMode::CAST_CEIL>(dstReg, srcReg, maskReg);
        MicroAPI::DataCopy<T>(dstUb + i * repeatElm, dstReg, maskReg);
    }
}

template <typename T, bool isReuseSource = false>
__aicore__ inline void CeilImpl(const LocalTensor<T>& dstTensor, const LocalTensor<T>& srcTensor,
    const LocalTensor<uint8_t>& sharedTmpBuffer, const uint32_t calCount)
{
    if ASCEND_IS_AIC {
        return;
    }

    CheckTensorPosition(sharedTmpBuffer, "sharedTmpBuffer", "VECIN, VECOUT, VECCALC");

    CeilImpl<T, isReuseSource>(dstTensor, srcTensor, calCount);
}

template <typename T, bool isReuseSource = false>
__aicore__ inline void CeilImpl(const LocalTensor<T>& dstTensor, const LocalTensor<T>& srcTensor,
    const uint32_t calCount)
{
    if ASCEND_IS_AIC {
        return;
    }

    static_assert(SupportType<T, float, half>(),
            "Ceil only support half/float data type on current device");
    CheckTensorPosition(dstTensor, "dstTensor", "VECIN, VECOUT, VECCALC");
    CheckTensorPosition(srcTensor, "srcTensor", "VECIN, VECOUT, VECCALC");
    CheckCalCount(calCount, "calCount", srcTensor, "srcTensor", "Round");
    CheckCalCount(calCount, "calCount", dstTensor, "dstTensor", "Round");

    __local_mem__ T *srcUb = (__local_mem__ T *)srcTensor.GetPhyAddr();
    __local_mem__ T *dstUb = (__local_mem__ T *)dstTensor.GetPhyAddr();
    constexpr uint32_t repeatElm = GetVecLen() / sizeof(T);
    uint16_t repeatTimes = static_cast<uint16_t>(CeilDivision(calCount, repeatElm));

    CeilCompute<T, isReuseSource>(dstUb, srcUb, calCount, repeatTimes);
}
}  // namespace AscendC
#endif  // IMPL_MATH_CEIL_CEIL_C310_IMPL_H
